| //===-- MipsSEISelDAGToDAG.h - A Dag to Dag Inst Selector for MipsSE -----===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // Subclass of MipsDAGToDAGISel specialized for mips32/64. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_LIB_TARGET_MIPS_MIPSSEISELDAGTODAG_H |
| #define LLVM_LIB_TARGET_MIPS_MIPSSEISELDAGTODAG_H |
| |
| #include "MipsISelDAGToDAG.h" |
| |
| namespace llvm { |
| |
| class MipsSEDAGToDAGISel : public MipsDAGToDAGISel { |
| |
| public: |
| explicit MipsSEDAGToDAGISel(MipsTargetMachine &TM) : MipsDAGToDAGISel(TM) {} |
| |
| private: |
| |
| bool runOnMachineFunction(MachineFunction &MF) override; |
| |
| void addDSPCtrlRegOperands(bool IsDef, MachineInstr &MI, |
| MachineFunction &MF); |
| |
| unsigned getMSACtrlReg(const SDValue RegIdx) const; |
| |
| bool replaceUsesWithZeroReg(MachineRegisterInfo *MRI, const MachineInstr&); |
| |
| std::pair<SDNode*, SDNode*> selectMULT(SDNode *N, unsigned Opc, SDLoc dl, |
| EVT Ty, bool HasLo, bool HasHi); |
| |
| SDNode *selectAddESubE(unsigned MOp, SDValue InFlag, SDValue CmpLHS, |
| SDLoc DL, SDNode *Node) const; |
| |
| bool selectAddrFrameIndex(SDValue Addr, SDValue &Base, SDValue &Offset) const; |
| bool selectAddrFrameIndexOffset(SDValue Addr, SDValue &Base, SDValue &Offset, |
| unsigned OffsetBits) const; |
| |
| bool selectAddrRegImm(SDValue Addr, SDValue &Base, |
| SDValue &Offset) const override; |
| |
| bool selectAddrRegReg(SDValue Addr, SDValue &Base, |
| SDValue &Offset) const override; |
| |
| bool selectAddrDefault(SDValue Addr, SDValue &Base, |
| SDValue &Offset) const override; |
| |
| bool selectIntAddr(SDValue Addr, SDValue &Base, |
| SDValue &Offset) const override; |
| |
| bool selectAddrRegImm10(SDValue Addr, SDValue &Base, |
| SDValue &Offset) const; |
| |
| bool selectAddrRegImm12(SDValue Addr, SDValue &Base, |
| SDValue &Offset) const; |
| |
| bool selectIntAddrMM(SDValue Addr, SDValue &Base, |
| SDValue &Offset) const override; |
| |
| bool selectIntAddrMSA(SDValue Addr, SDValue &Base, |
| SDValue &Offset) const override; |
| |
| /// \brief Select constant vector splats. |
| bool selectVSplat(SDNode *N, APInt &Imm) const override; |
| /// \brief Select constant vector splats whose value fits in a given integer. |
| bool selectVSplatCommon(SDValue N, SDValue &Imm, bool Signed, |
| unsigned ImmBitSize) const; |
| /// \brief Select constant vector splats whose value fits in a uimm1. |
| bool selectVSplatUimm1(SDValue N, SDValue &Imm) const override; |
| /// \brief Select constant vector splats whose value fits in a uimm2. |
| bool selectVSplatUimm2(SDValue N, SDValue &Imm) const override; |
| /// \brief Select constant vector splats whose value fits in a uimm3. |
| bool selectVSplatUimm3(SDValue N, SDValue &Imm) const override; |
| /// \brief Select constant vector splats whose value fits in a uimm4. |
| bool selectVSplatUimm4(SDValue N, SDValue &Imm) const override; |
| /// \brief Select constant vector splats whose value fits in a uimm5. |
| bool selectVSplatUimm5(SDValue N, SDValue &Imm) const override; |
| /// \brief Select constant vector splats whose value fits in a uimm6. |
| bool selectVSplatUimm6(SDValue N, SDValue &Imm) const override; |
| /// \brief Select constant vector splats whose value fits in a uimm8. |
| bool selectVSplatUimm8(SDValue N, SDValue &Imm) const override; |
| /// \brief Select constant vector splats whose value fits in a simm5. |
| bool selectVSplatSimm5(SDValue N, SDValue &Imm) const override; |
| /// \brief Select constant vector splats whose value is a power of 2. |
| bool selectVSplatUimmPow2(SDValue N, SDValue &Imm) const override; |
| /// \brief Select constant vector splats whose value is the inverse of a |
| /// power of 2. |
| bool selectVSplatUimmInvPow2(SDValue N, SDValue &Imm) const override; |
| /// \brief Select constant vector splats whose value is a run of set bits |
| /// ending at the most significant bit |
| bool selectVSplatMaskL(SDValue N, SDValue &Imm) const override; |
| /// \brief Select constant vector splats whose value is a run of set bits |
| /// starting at bit zero. |
| bool selectVSplatMaskR(SDValue N, SDValue &Imm) const override; |
| |
| std::pair<bool, SDNode*> selectNode(SDNode *Node) override; |
| |
| void processFunctionAfterISel(MachineFunction &MF) override; |
| |
| // Insert instructions to initialize the global base register in the |
| // first MBB of the function. |
| void initGlobalBaseReg(MachineFunction &MF); |
| }; |
| |
| FunctionPass *createMipsSEISelDag(MipsTargetMachine &TM); |
| |
| } |
| |
| #endif |